545330631 has 8 divisors (see below), whose sum is σ = 728348544. Its totient is φ = 362933240.

The previous prime is 545330603. The next prime is 545330683. The reversal of 545330631 is 136033545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545330631 - 2⁹ = 545330119 is a prime.

It is a super-2 number, since 2×545330631² = 594770994213716322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545330431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153075 + ... + 156596.

It is an arithmetic number, because the mean of its divisors is an integer number (91043568).

Almost surely, 2^545330631 is an apocalyptic number.

545330631 is a deficient number, since it is larger than the sum of its proper divisors (183017913).

545330631 is a wasteful number, since it uses less digits than its factorization.

545330631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310261.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 545330631 is about 23352.3153241815. The cubic root of 545330631 is about 816.9960638363.

The spelling of 545330631 in words is "five hundred forty-five million, three hundred thirty thousand, six hundred thirty-one".